An Example of a Dummy Variable Is Used in Categorical

question 9

Multiple Choice

An example of a dummy variable is used in categorical data applications and might include

• A) assigning the number 1 to Democrats and 2 to Republicans.
• B) assigning the number 1 to the first place runner, and 2 to the second place runner.
• C) assigning a 0 to students who can run a 10-minute mile, and a number 1 to students who run a 7-minute mile.
• D) assigning a 1 to the probability of the customer receiving a $10 gift card and a 0 to the customer receiving a $20 gift card, when 10 of each denomination are being sent to a random sample of customers.

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Definitions:

Self-Reliance

The reliance on one’s own powers and resources rather than those of others.

Social Competence

The set of skills necessary for an individual to perform successfully in social settings, including communication, empathy, and conflict resolution abilities.

Critical Period

A specific time during development in which an organism is particularly receptive to certain environmental stimuli or experiences, leading to lasting changes in its capabilities.

Preoperational Stage

A stage of development in Jean Piaget's theory, typically from ages 2 to 7, where children begin to engage in symbolic play but do not yet comprehend mental operations.